Method and apparatus for suppressing power frequency common mode interference
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United States of America Patent
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Mar 23, 2010
Grant Date -
Apr 19, 2007
app pub date -
Dec 22, 2005
filing date -
Oct 19, 2005
priority date (Note) -
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Abstract
A method for suppressing power frequency common mode interference comprises the following steps of: receiving a bioelectrical signal from a living body on examination by phase compensating and processing circuitry; analyzing the characteristics of the bioelectrical signal and determining a phase compensation amount by the phase compensating and processing circuitry; performing a corresponding time delay processing on an amplified signal outputted by the driving circuit; and providing the delay signal to the living body on examination.
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